Write a program to add line number in input program

 


Input Text File

#include<stdio.h>
int main()
{
int a=10,b=20;
int c=a+b;
printf("Addition of a and b is:%d",c);
return 0;
}

Code


%{
#include<stdio.h>
int line_number = 1;
%}
line .*\n
%%
{line} { printf("%d %s", line_number++, yytext); }
%%
int yywrap(){}
int main()
{
extern FILE *yyin;
yyin=fopen("SimpleCodeInput.txt","r");
if(yyin==NULL){
printf("File Not Found");
}
yylex();
return 0;
}

Output



Comments

Post a Comment

Popular posts from this blog

Write A Program To Print Hello World Using Lex

Image
  How to write lex program ? first write a lex program in notepad then save with .l extension. next step is open cmd(Command prompt) then open directory in which your program is saved. then 3 step to run lex program let's see flex filename.l gcc lex.yy.c a.exe Code %{ #include<stdlib.h> %} %% ("hi"|"HI")"\n" {printf("\nHello Sir,Good Morning\n");} ("bye"|"BYE")"\n" {printf("\nBye, Take Care\n");} . {yyerror();} %% int main() { yylex(); return 0; } int yywrap(void) { return 0; } int yyerror(){ printf("Enter hi,HI,bye or BYE"); }
Read more

Create a Student registration form using following tags form,input,textarea,button,select,optio. The registration form must consist of following information: first name,Middle name,last name, gender(use radio button),address,phone no,email id,hobbies(use checkbox),city,state,country,collage name (use dropdown menu).

Image
  Code <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Student Registration Form</title> </head> <body> <h1>Parul Registration Form</h1> <form action="home.html"> <label>First Name:</label><br> <input type="text" name="name"><br><br> <label>Middle Name:</label><br> <input type="text" name="name"><br><br> <label>Last Name:</label><br> <input type="text" name="name"><br><br> <label>Gender</label><br> <input type="radio" name="Gender" value="male">Male <br> <in...
Read more